CN211601155U - Water-water exchange flat-plate solar heat collection engineering system in low-temperature environment - Google Patents
Water-water exchange flat-plate solar heat collection engineering system in low-temperature environment Download PDFInfo
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- CN211601155U CN211601155U CN202020131033.0U CN202020131033U CN211601155U CN 211601155 U CN211601155 U CN 211601155U CN 202020131033 U CN202020131033 U CN 202020131033U CN 211601155 U CN211601155 U CN 211601155U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a water-water exchange flat-plate solar heat collection engineering system in a low-temperature environment, which comprises a heat-generating device and a heat-storage heat-supply device, wherein the heat-generating device is arranged at the top of the heat-storage heat-supply device, a height difference exists between the heat-storage heat-supply device and the heat-storage heat-supply device, the heat-storage heat-supply device comprises a heat-storage water tank, a single bidirectional pipeline for supplying and returning is arranged between the heat-storage water tank and the heat-generating device, and one side; when the heat-producing equipment is irradiated by sunlight, the heat-producing equipment can be supplied to the bidirectional pipeline, and when the heat-producing equipment is not irradiated by sunlight, the pipeline is returned; the heat exchange mode of the flat plate heat collection system in the conventional engineering is changed, the major problems of large heat exchange circulation heat loss and low heat exchange circulation efficiency of indirect heat exchange systems of all flat plate solar heat collectors are solved, and transition heat medium heat exchange coils and anti-freezing liquid between a water tank and the heat collectors are not needed as heat media.
Description
Technical Field
The utility model belongs to the technical field of dull and stereotyped solar energy collection thermal engineering, concretely relates to water exchange dull and stereotyped solar energy collection thermal engineering system of low temperature environment.
Background
The engineering flat plate type heat collecting systems are circulated in the market and are roughly classified into two types: one is that the environmental temperature is above zero in four seasons, and a circulating pump forces water-water exchange (direct heat exchange); the second type is that the ambient temperature of four seasons is subzero, and all flat-plate solar photo-thermal collector module systems have a common characteristic: the machine body basically does not preserve heat, and because the machine body basically does not preserve heat, when the running temperature of the four-season environment is below zero, the hydrophile needs to be exchanged, namely indirect heat exchange; the conversion efficiency results of direct heat exchange and indirect heat exchange in a flat plate engineering system are different, and the efficiency error is 20-40%.
When the initial sunshine of current flat plate heat collection module array shines, because this system heat transfer runner is had the medium, the heat collector is in full load intensification state, and the programming rate is very slow, can't satisfy current production demand, has great promotion space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature environment's water level exchange flat plate solar energy thermal-arrest engineering system to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature environment's water-water exchange flat-plate solar energy collection engineering system, includes heat-producing equipment and heat-retaining heating equipment, heat-producing equipment is in the top of heat-retaining heating equipment, and has the difference in height between the two, heat-retaining heating equipment includes heat storage water tank, install between heat storage water tank and the heat-producing equipment and supply back two-way pipeline, one side of heat storage water tank is provided with the circulation heat transfer water pump.
Preferably, an operation cabinet is further connected between the heat storage water tank and the circulating heat exchange water pump, and the operation cabinet is electrically connected with an external power supply.
Preferably, the side of heat storage water tank is connected with a plurality of clients.
Preferably, the heat generating equipment comprises a solar photovoltaic panel, a heat exchange flow channel, a heat collector and a heat collector temperature sensor.
Preferably, a plurality of circulating pumps arranged on the surface of the water inlet pipe are arranged between the circulating heat exchange water pump and the heat storage water tank.
Preferably, the top of the side edge of the heat storage water tank is also provided with a water inlet, and the water inlet is connected with an external water source.
Compared with the prior art, the beneficial effects of the utility model are that:
the structure mode that a flat plate type heat collection system of the conventional engineering is changed, a water tank of the flat plate type heat collector is arranged on the upper portion, and heat collection and heat exchange are carried out on the lower portion is changed, the major problems that heat exchange circulation heat loss of an indirect heat exchange system of all the flat plate type solar heat collectors is large, and heat exchange circulation efficiency is low are solved, transition heat medium heat exchange coil pipes among the water tank and the heat collectors and anti-freezing liquid are not needed to serve as heat media, investment cost is reduced, construction cost is reduced, operation cost is reduced, and economic benefits and far.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention on a roof;
FIG. 3 is a schematic structural diagram of a comparative example of the present invention;
in the figure: 1. a supply return bidirectional conduit; 2. a user side; 3. a heat storage water tank; 4. an operation cabinet; 6. a circulating heat exchange water pump; 7. a solar photovoltaic panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a water-water exchange flat-plate solar heat collection engineering system in a low-temperature environment comprises heat-generating equipment and heat-storage and heat-supply equipment, wherein the heat-generating equipment is arranged at the top of the heat-storage and heat-supply equipment, and a height difference exists between the heat-generating equipment and the heat-storage and heat-supply equipment, so that the structural mode that a flat-plate heat collector is arranged with a water tank at the upper part and heat-collection and heat-exchange at the lower part is changed, the major problems of large heat-exchange cycle heat loss and low heat-exchange cycle efficiency of an indirect heat-exchange system of all flat-plate solar heat collectors are replaced, the transition heat medium heat-exchange coil pipe and anti-freezing solution between the water tank and the heat collectors are not needed as heat media, the investment cost, the construction cost and the operation cost are greatly improved, the economic benefit and the far-reaching social benefit are greatly reduced for the solar industry, when the heat production equipment is not irradiated by sunlight, the bidirectional pipeline 1 is used for returning, and one side of the heat storage water tank 3 is provided with a circulating heat exchange water pump 6.
In this embodiment, preferably, an operation cabinet 4 is further connected between the heat storage water tank 3 and the circulating heat exchange water pump 6, and the operation cabinet 4 is electrically connected with an external power supply.
In this embodiment, preferably, the side of the heat storage water tank 3 is connected with a plurality of user terminals 2.
In this embodiment, preferably, the heat generating device includes a solar photovoltaic panel 7, a heat exchange flow channel, a heat collector, and a heat collector temperature sensor.
In this embodiment, preferably, a plurality of circulation pumps installed on the surface of the water inlet pipe 5 are arranged between the circulation heat exchange water pump 6 and the heat storage water tank 3.
In this embodiment, preferably, the top of the side of the heat storage water tank 3 is further provided with a water inlet, and the water inlet is connected with an external water source.
Comparative example
Please refer to fig. 3, the outside of heat storage water tank 3 is provided with solar photovoltaic board 7, and through circulating annular pipe connection between the two, when solar photovoltaic board 7 received the sunlight irradiation, the medium temperature in the inside heat transfer runner risees, after reacing the preset temperature, start the circulating pump of 3 one sides of heat storage water tank and force the water source of injecting into in the solar photovoltaic board 7 in with heat storage water tank 3 in to this completion is to the heat exchange, flows back to in heat storage water tank 3 afterwards, compares the utility model provides a dull and stereotyped solar energy collection engineering system, current collecting system heaies up slowly, and light utilization efficiency is low, can't satisfy current production and user demand.
The utility model discloses a theory of operation and use flow: when the solar heat collecting module is used, the solar photovoltaic panel 7 in the engineering system flat plate heat collecting module array is installed on the floor, when the installed top surface is a plane, as shown in figure 1, and when the installed positioning is an inclined plane, as shown in figure 2, and then the equipment such as the heat storage water tank 3, the circulating heat exchange water pump 6 and the like are installed on the basement; at the moment, the height difference exists between the heat generating equipment and the heat storage and supply equipment; when the solar photovoltaic panel 7 is irradiated by the initial sunlight, the heat exchange flow channel in the solar photovoltaic panel 7 is empty and has no medium, so that the temperature rising speed of the heat collector in the solar photovoltaic panel 7 is very high, when a heat collector temperature sensor detects a signal at 45 ℃, the circulating heat exchange water pump 6 is started immediately, and the heat storage water tank 3 and the heat collector in the solar photovoltaic panel 7 generate forced heat exchange circulation; when the heat collector temperature sensor detects a signal lower than 55 ℃, the circulating heat exchange water pump 6 immediately stops running, and the residual heat water of the heat collector naturally flows to the heat storage water tank 3 from the supply and return bidirectional pipeline 1 through a height difference, wherein the temperature detected by the heat collector temperature sensor can be correspondingly adjusted according to actual conditions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low temperature environment's water and water exchange flat-plate solar energy collection engineering system, includes heat production equipment and heat-retaining heat supply equipment, its characterized in that: the heat-generating equipment is in the top of heat-retaining heat supply equipment, and has the difference in height between the two, heat-retaining heat supply equipment includes heat storage water tank (3), install between heat storage water tank (3) and the heat-generating equipment and supply back to two-way pipeline (1), one side of heat storage water tank (3) is provided with circulating heat exchange water pump (6).
2. The water-water exchange flat-plate solar heat collection engineering system in the low-temperature environment according to claim 1, characterized in that: an operation cabinet (4) is further connected between the heat storage water tank (3) and the circulating heat exchange water pump (6), and the operation cabinet (4) is electrically connected with an external power supply.
3. The water-water exchange flat-plate solar heat collection engineering system in the low-temperature environment according to claim 2, characterized in that: the side of heat storage water tank (3) is connected with a plurality of clients (2).
4. The water-water exchange flat-plate solar heat collection engineering system in the low-temperature environment according to claim 1, characterized in that: the heat production equipment comprises a solar photovoltaic panel (7), a heat exchange flow channel, a heat collector and a heat collector temperature sensor.
5. The water-water exchange flat-plate solar heat collection engineering system in the low-temperature environment according to claim 1, characterized in that: a plurality of circulating pumps arranged on the surface of the water inlet pipe (5) are arranged between the circulating heat exchange water pump (6) and the heat storage water tank (3).
6. The water-water exchange flat-plate solar heat collection engineering system in the low-temperature environment according to claim 5, characterized in that: the side top of heat storage water tank (3) still is provided with the water inlet, the water inlet is connected with outside water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131033.0U CN211601155U (en) | 2020-01-20 | 2020-01-20 | Water-water exchange flat-plate solar heat collection engineering system in low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131033.0U CN211601155U (en) | 2020-01-20 | 2020-01-20 | Water-water exchange flat-plate solar heat collection engineering system in low-temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601155U true CN211601155U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020131033.0U Expired - Fee Related CN211601155U (en) | 2020-01-20 | 2020-01-20 | Water-water exchange flat-plate solar heat collection engineering system in low-temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211601155U (en) |
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2020
- 2020-01-20 CN CN202020131033.0U patent/CN211601155U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20220120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |